clausen



(No Model.)

J. C. SLAFTER & A. C. CLAUSEN.

DUST GUARD FOB. RAILWAY GARS. No. 337,999. Patented Mar. 16, 1886.

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l w l@ l. h5 MA @AAA WI [JV ESSES UNITED STATES PATENT OFFICE,

JAMES (ISLAFTER AND ADLER O. OLAUSEN, OF MINNEAPOLIS, MINN.

DUST-GUARD FOR RAILWAY-CARS.

SPECIFICATION forming part of Letters Patent No. 337,999, dated March16, 1886.

Application filed August 19, 1885. Serial No4 Q7-1,794. (No model.)

To all whom it may concern:

Be it known that we, JAMES C. SLAETER and ADLER C. CLAUSEN, citizens ofthe United States, residing at Minneapolis, in the county of Hennepinand State of Minnesota, have invented a new and useful Dust-Guard forRailway-Cars, of which the following is a full, clear, and exactdescription, reference being had to the accompanying drawings, formingpart of this specification, in which- Figure 1 represents a perspectiveview of our improved dust-guard. Figs. 2 and 3 represent detached planviews of the opposite sides; and Fig. 4. is a side view showing thedevice folded. Y

Our invention relates to devices for preventing theentrance of smoke,cinders,sparks, &c., through an open window of a railwaycar or othervehicle; and our invention consists, essentially, in a dust guardcomposed of sections hinged or sliding together and capable of beingfolded into a small space, thereby enabling` it to be carried in thepocket. It also consists in suitable buttons or cams, which secure thedevice to the window, and by means of which it may be readily removed,all of which we will hereinafter fully describe, and specifically pointout in the claims.

To enable others skilled in the art to make and use our invention, wewill now proceed to describe its construction and the manner in which wehave carried it out.

In the said drawings, A represents a railway-car window, and B ourimproved dustguard. This guard is composed in the present case of threesections, a, b, and c, hinged together at d and e, whereby when not inuse the sections may be folded one upon the other, as shown in Fig. 4.

Owing to the small space occupied by the guard when not in use itbecomes a matter of great convenience to the traveling public, and beingcomposed of some light suitable material, its cost is but a trilie,while it may be adjusted to the windows of any railway-car withouttrouble.

It will be observed the sections a and c have their surfaces cut at anangle at tt, and are also provided with notches e. This construction isfor the purpose of holding the window when required, the bottom rail ofthe sash resting in the upper notch, and the lower inclined face ofsection c resting on the sloping sill of the car-window, and also formaking the guard reversible.

Each of the sections a, b, and c is provided with buttons or cams g,which engage the groove in the side of the window-frame, and these camshave shanks h extending to the opposite side ot' the guard, whereby theoccupant of the seat may, by a simple halfturn of the shanks, cause thecams to bear tightly against the window-frame, or, if in use, the guardmay be removed by the saine operation.

The adjustment of the guard is accomplished by placing it against theside of the window-frame, so that the oval blocks or cams will it intothe grooves in which the window slides. Then by turning the cams bymeans of the buttons shown in Fig. 3, the friction in the grooves causedby the blocks coming in contact therewith will hold the guard rigidly toits place. The guard, as shown in drawings, is made to fold together;but We do not limit ourselves to this construction, as the same may bemade to slide together by means of grooves or runners. (Not shown.)`When the device is folded, one of the outer' buttons is placed so as toturn and lock over the end of one of the folded sections, as shown inFig. 4, thus holding it together without the use of a string or band.

If it be desired, the sections may be bound or covered with metal, thusadding to its stiffness without materially increasing its weight orcost. A

Having thus described our invention, what we claim as new, and desire tosecure by Letters Patent, is-

l. A dust-guard for car-Windows, consisting ofthe sections a, b, and c,each provided with a cam or button, g,whereby the sections may beindependently secured to the Windowgroove, or be locked together whennot in use, substantially as herein described.

2. A dust-guard for car-windows, consisting of the combination of thesections a, b, and c, the cams or buttons g, secured to each of thesections, and the shanks h, projecting through the sections andoperating the cams, substantially as herein described.

JAMES C. SLAFTER. ADLER C. CLAUSEN. Vitnesses:

C. H. SMITH, A. E. HAMMOND.

IOO

